On Wed, Nov 05, 2008 at 09:28:16PM +0300, Max Martynov wrote:
> Hi All,
>
> I am trying to use fullyvirtualized guest direct kernel boot, but all I see
> is the following error:
> libvir: Xen Daemon error : POST operation failed: (xend.err 'Error creating
> domain: (2, \'Invalid kernel\', "elf_xen_note_check: ERROR: Not a Xen-ELF
> image: No ELF notes or \'__xen_guest\' section found.\\n")')
>
> Kernel, initrd and root file system are extracted from working Fedora 9 disk
> image without any additional tinkering. Guest Fedora is clean and was
> installed from scratch. When I use this whole disk image with
> fullyvirtualized guest BIOS boot with, everything works fine. I also tried
> paravirtualized guest bootloader with another linux kernel and it also works
> fine. Xen version is 3.2.1-rc1-pre. Host OS is Ubuntu Hardy.
That Xen is too probably old - you need 3.3.x or newer. The Xen 3.2 in
Fedora has a backport of this functionality, and I doubt the Ubuntu xen
has copied that.
> Here is the libvirt config for direct kernel boot:
> <domain type='xen' id='18'>
> <name>test1</name>
> <uuid>4dea22b31d52d8f32516782e98ab3fa0</uuid>
> <os>
> <type>linux</type>
This tag is telling Xen todo a paravirt guest, but you say you want
a fullvirt one, so replace this with
<type>hvm</type>
> <loader>/usr/lib/xen/boot/hvmloader</loader>
> <kernel>/tmp/vmlinuz-2.6.25-14.fc9.i686</kernel>
> <initrd>/tmp/initrd-2.6.25-14.fc9.i686.img</initrd>
> <root>/dev/sda1</root>
> <cmdline>ro</cmdline>
> </os>
> <memory>524288</memory>
> <vcpu>1</vcpu>
> <devices>
> <emulator>/usr/lib/xen/bin/qemu-dm</emulator>
> <disk type='file'>
> <driver name="tap" type="aio"/>
> <source file='/tmp/f9_disassembled/root.img'/>
> <target dev='sda1'/>
> </disk>
> <disk type='file'>
> <driver name="tap" type="aio"/>
> <source file='/tmp/swap'/>
> <target dev='sda3'/>
> </disk>
> <interface type='bridge'>
> <source bridge='eth0'/>
> <mac address='00:16:3e:5d:c7:9e'/>
> <script path='/etc/xen/scripts/vif-bridge'/>
> </interface>
> <graphics type='vnc' port='5904'/>
> </devices>
> </domain>
>
>
Daniel
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